A FALL OF ROOF OCCURRED IN THE 6TH SOUTH WEST PANEL IN THE #3 ENTRY AND WAS APPROX 900 FT FROM THE SECTION DUMPING POINT. THE FALL WAS APPROX 85' X 18' X 6'-8'. THE AREA WAS SUPPORTED WITH 5' FULLY GROUTED BOLTS. THE APPARENT CAUSE WAS AN UNDETECTED SLIP WITH WATER. THE FALL FELL FROM THE INBY END OF X-CUT 17 TO THE OUTBY END OF X-CUT 19.